R900937107 4WEH10J4X/6EG24N9ETSK4
库存大量REXROTH柱塞泵A10VSO,齿轮泵PGH4\\5,PGF1/PGF2/PGF3,电磁阀4WE，电子变量泵SYDFEE-2X,电液比例控制阀0811,电液换向阀4WEH、4WE,减压阀DR10、DR20、叠加阀ZD、Z1S、Z2S,ZDR电磁溢流阀DBW，直动式溢流阀DBD、0532，先导溢流阀DB10、DB20,电磁球阀M-S、M-3S,力士乐电液比例控制阀\\放大器、压力继电器0811，咨询

4WEH10J4X/6EG24N9ETSK4    4WEH10J4X/6EG24N9ETSK4    4WEH10J4X/6EG24N9ETSK4
4WEH10J4X/6EG24N9ETSK4    4WEH10J4X/6EG24N9ETSK4    4WEH10J4X/6EG24N9ETSK4

上海心雨机电设备有限公司

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闫飞

-带主控制阀芯电气位置反馈和集成电子元件（OBE）的先导式二级比例方向阀
-控制液压油的流向和流量-通过比例电磁铁操作
-底板安装：油口安装面符合 ISO 4401 标准-电气位置反馈
-弹簧对中的主控制阀芯-先导控制阀：单级比例方向阀-带位置控制的主级

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R900937107 4WEH10J4X/6EG24N9ETSK4
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R901108859 H-4WEH25E6X/6HG24N9EK4/B10D3
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先导控制阀是直动式比例阀。控制边的尺寸经过优化，可用作比例方向阀型号 4WRKE 的先导控制阀。比例电磁铁为带可拆卸线圈的耐压密闭型湿式插脚交流线圈。它们可将电流按比例转换为机械力。电流强度的增加会导致磁力相应增加。设定的磁力会在整个控制行程中保持不变。
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先导控制阀主要由壳体，比例电磁铁，控制阀芯和弹簧组成。
在非工作情况下，两个执行机构都连接到油箱。如果两个线圈中的一个励磁，则磁力会将阀的控制阀向弹簧移动。一旦超过遮盖区域，便会阻断两个执行机构中的一处连接，转而连接压力腔。流体从 P 流向主级的控制腔。
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R901146569 4WEH16D7X/6EG48N9ETK4/B10
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R901174959 H-4WEH16G7X/6EW230N9ETSK4/P4,5
R901175192 H-4WEH25L6X/6EG24N9ES2K4/10B08
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R901202657 4WEH16Y7X/6EG24N9ETS2K4/B10
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R901205055 4WEH16J7X/6EG24N9ES2K4/B10V
R901206146 4WEH10EA4X/6EG24N9ETSK4/B08
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R901208359 4WEH16HD7X/6EG24N9ETK4/10B10
R901208362 4WEH22U7X/6HG24N9ETK4/B10
该阀由先导阀和主阀两部分组成。先导阀由先导阀芯、前弹簧、衔铁、后弹簧、电磁线圈等组成；主阀由主阀芯、阀壳体、阀套,组成。先导阀芯和主阀均采用锥阀式结构，与液压阀座采用线接触，故密封性好，泄漏少，动作迅速。先导阀芯与衔铁采用T型槽连接。主阀芯3的外表面上加工了3条均压槽，以避免主阀芯在运动过程中，承受不平衡的径向力而产生的液压卡紧现象。阀壳体与阀套，阀壳体与阀体均采用螺纹联接。
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